Sharks Outlived Dinosaurs — and Here’s How They Did It

Shark fossils have been found dating back to more than 400 million years, meaning they are one of the oldest creatures on the planet, outliving even the dinosaurs, surviving mass extinctions, and extreme weather changes.

So how did they do it? Well, they are adept at evolving to suit their environments, and have quite the record of adapting when needed. Here are just some of the ways they’ve done it.

For more on sharks, stream SHARK WEEK now on discovery+.

July 06, 2021
By: Lucy Sherriff

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